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                磁力                </h1>
                <p>时间限制：10s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：128MB</p>			</div>
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                                <h3>题目描述</h3><p><div style="text-indent: 21pt" align="left"><span style="font-size: medium"><span style="background: white; color: black">你现在处在一个2维平面中的(x,y)上，并且你的手上有一块磁铁。</span></span></div>
<div style="text-indent: 21pt" align="left"><span style="font-size: medium"><span style="background: white; color: black">而在平面内，还有n块磁铁，每块磁铁都可以看做一个点，你的任务就是得到最多的磁铁。每一块磁铁都有五个属性，x，y，m，p，r，分别表示磁铁的横坐标，磁铁的纵坐标，磁铁的重量，磁铁的吸引力，磁铁的吸引半径。　</span><span style="color: black"><br />
</span><span style="background: white; color: black">　　你手上的某个磁铁a想要把另一块在外面的磁铁b吸引过来的条件如下：</span><span style="color: black"><br />
</span><span style="background: white; color: black">　　1.磁铁b和磁铁a之间的距离小于等于磁铁a的吸引半径。这里距离计算的是欧几里得距离。</span><span style="color: black"><br />
</span><span style="background: white; color: black">　　2.磁铁b的重量小于等于磁铁a的吸引力。</span><span style="color: black"><br />
</span><span style="background: white; color: black">　　任何被你吸过来的磁铁都可以用来吸引新的磁铁。每块磁铁可以吸引无数多次，但是每次只能有一块磁铁在吸引，不能多块同时吸引。同时你也只能呆在(x,y)这个位子上。</span><span style="color: black"><br />
</span><span style="background: white; color: black">　　现在你想要知道，你最多可以吸引多少散落的磁铁。</span></span></div></p><hr/><h3>输入格式</h3><p><div style="text-indent: 21pt"><span style="font-size: medium"><span style="background: white">第一行有五个整数，x，y，p，r，N。其中x，y，p，r分别表示你的坐标和你一开始拥有的磁铁的吸引力，吸引半径。N表示散落的磁铁数目。</span><br />
<span style="background: white">　　接下来N行每行5个整数，xi，yi，mi，pi，ri，依次描述第i块散落的磁铁的横坐标，纵坐标，重量，吸引力，吸引半径。</span></span></div></p><hr/><h3>输出格式</h3><p><div style="margin: 13pt 0cm">&nbsp;</div>
<div style="text-indent: 21pt"><span style="font-size: medium"><span style="background: white; color: black">输出一行，包含一个整数，你最多可以吸引的散落的磁铁数目。</span></span></div></p><hr/><h3>样例输入</h3><pre>
0 0 5 10 5
5 4 7 11 5
-7 1 4 7 8
0 2 13 5 6
2 -3 9 3 4
13 5 1 9 9
</pre><hr/><h3>样例输出</h3><pre>
3
</pre><hr/><h3>提示</h3><p><p><span style="font-size: medium">对于100%的数据，n&lt;=250000.所有坐标都在-10^9到10^9之间。所有m p r都在1到10^9之间。输入数据保证不含有任何两块磁铁在同一个位置。</span></p></p><hr/><h3>题目来源</h3><p>树套树 树状数组</p>
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